url反向解析
url.py
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^loginxxx/', views.login,name='login'),
url(r'^indexxx/', views.index, name='index'),
]
视图views.py
from django.shortcuts import render, HttpResponse, redirect
from django.core.urlresolvers import reverse
def login(request):
if request.method == 'POST':
if 1:
return redirect(reverse('index'))
return render(request, 'login.html')
def index(request):
return HttpResponse('this is index')
模板 templates/login.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="{% url 'login' %}" method="post">
{% csrf_token %}
<input type="text" name="user" placeholder="username">
<input type="password" name="pwd" placeholder="password">
<input type="submit" value="提交">
</form>
</body>
</html>
总结：
模板中：
url(r'^loginxxx/', views.login,name='login'),
...
<form action="{% url 'login' %}" method="post"> <!-- 解析成loginxxx/ -->
...
</form>
视图中：
url(r'^indexxx/', views.index, name='index'),
...
from django.shortcuts import render, HttpResponse, redirect
from django.core.urlresolvers import reverse
def login(request):
if request.method == 'POST':
if 1:
return redirect(reverse('index')) # 解析成 indexxx/
return render(request, 'login.html')
路由分发
项目下的urls.py
from django.conf.urls import url,include
urlpatterns = [
url(r'^app01/', include('app01.urls')),
url(r'^app02/', include('app02.urls')),
]
app01.urls.py
from django.conf.urls import url
from app01 import views
urlpatterns = [
url(r'^index/', views.index, name='index'),
]
app02.urls.py
from django.conf.urls import url
from app02 import views
urlpatterns = [
url(r'^index/', views.index, name='index'),
]
views:(app01跟app02的一样)
from django.shortcuts import HttpResponse
from django.core.urlresolvers import reverse
def index(request):
return HttpResponse(reverse('index'))
这样，问题来了当我们访问http://127.0.0.1:8000/app01/index/的时候，期待的结果是/app01/index/ 但是url反向解析的结果却是/app02/index/
解决办法：名称空间
名称空间
项目下urls.py
from django.conf.urls import url,include
urlpatterns = [
url(r'^app01/', include('app01.urls',namespace='app01')),
url(r'^app02/', include('app02.urls',namespace='app02')),
]
app01.urls.py
from django.conf.urls import url
from app01 import views
urlpatterns = [
url(r'^index/', views.index, name='index'),
]
app02.urls.py
from django.conf.urls import url
from app02 import views
urlpatterns = [
url(r'^index/', views.index, name='index'),
]
app01.views.py
from django.shortcuts import HttpResponse
from django.core.urlresolvers import reverse
def index(request):
return HttpResponse(reverse('app01:index'))
app02.views.py
from django.shortcuts import HttpResponse
from django.core.urlresolvers import reverse
def index(request):
return HttpResponse(reverse('app02:index'))